SDA9187-2X Siemens Semiconductor Group, SDA9187-2X Datasheet

SDA9187-2X

Manufacturer Part Number

SDA9187-2X

Description

Manufacturer

Siemens Semiconductor Group

Datasheet

1.SDA9187-2X.pdf (23 pages)

Specifications of SDA9187-2X

Case

SOP28

Date_code

07+

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Analog-Digital-Converter for

Picture in Picture

Preliminary Data

Features

Type

SDA 9187-2X

The 9187-2X converts the analog output signals Y, U, V of any color decorder into the digital input

signals of the PIP PLUS Processor SDA 9188-3X. A clock generator which is synchronized to the

sync signals of the insert channel is integrated on this chip.

At the input for the channel of the inset picture an analog CVBS signal is required. An analog

operating chroma decoder as well as a sync processor are generating the analog luminance- and

chrominance signals Y, U, V and the horizontal and vertical sync signals of the inset picture.

Y, U and V are digitized by 6-bit flash converters and output in a format that matches the interface

of the PIP-processor SDA 9188-3X. Furthermore, with the aid of PLL, the SDA 9187-2X generates

the line locked clock LL3 (nominal 13.5 MHz) and the blanking signal BLN.

Semiconductore Group

3 separate A/D-converters

Resolution: 6 bit

Sampling rate: 13.5 MHz, 3.375 MHz

Clamping circuit for the input signals

Adjustable delay for the luminance signal (8 steps)

Color difference signals Y and V can be inverted

Internal clock synchronization by sandcastle signal

System clock generation for picture insertion processor

Ordering Code

Q67100-H5141

Package

P-DSO-28-1 (300 mil)

P-DSO-28-1

SDA 9187-2X

MOS IC

08.93

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